Fatal errors/accessory errors The printer may encounter a severe error, one that inhibits further operation. All LEDs will turn on or, in the case of an Accessory Error, all LEDs will start flashing. During this mode, pressing and holding the Go key down will reveal a pattern on the LEDs. Some LEDs might be on and some might be off, but it will be a non-changing pattern as long as the Go key is held down. This pattern can be used to identify what type of fatal error it was. For example, if all LEDs turn on, holding the Go key down might turn off all of the LEDs except for the Attention LED. This pattern would indicate that there is an Engine Error.
For most of the errors listed here, turning the printer off for a short while will not clear the error (it is more serious than that), but it is recommended as a last resort. Remember, the error pattern will only be displayed as long as the Go key is held down. Light status legend Symbol for “light off” Symbol for “light on” Symbol for “light blinking” Table 5-2. Service and error messages Light status Description Recommended action ROM/RAM Error. An error was found with the ROM or RAM. The printer believes that the ROM is corrupted or an error has been found in the RAM. 1. Power cycle the printer by unplugging the printer and plugging it back in.
If this does not clear the error, go to step 2. 2. Unplug the printer, remove any optional memory, then power the printer back on. If the message clears, replace the memory card. 3. Replace the Formatter PCA. Fuser Error. This indicates a fusing assembly malfunction. 1. Unplug the printer for 10 minutes or more. 2. Verify that the fuser connector is firmly seated in the ECU and that the thermistor connector (left of fusing assembly) is seated into both the printer chassis and the ECU. NOTE: Chronic fuser failures, fuser overheating, or both are indicators of an uninterruptible power supply or battery backup being used with the printer.
Uninterruptible power supplies (UPSs) should not be used with the printer. 3. Perform heating element resistance check. 4. If the resistance readings are correct yet the error persists, replace the ECU. 122 Troubleshooting/Maintenance C4224-90962